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package org.glassfish.appclient.server.core.jws.servedcontent;

import java.util.Properties;
import org.glassfish.appclient.server.core.jws.Util;

/**
 *
 * @author Tim
 */
public class SimpleDynamicContentImpl extends Content.Adapter implements DynamicContent {

    private final String template;
    private final String mimeType;
    private final boolean isMain;
    
    private Instance instance = null;

    public SimpleDynamicContentImpl(final String template, final String mimeType) {
        this(template, mimeType, false);
    }
    
    public SimpleDynamicContentImpl(final String template, final String mimeType, final boolean isMain) {
        this.template = template;
        this.mimeType = mimeType;
        this.isMain = isMain;
    }

    public Instance getExistingInstance(Properties tokenValues) {
        return getOrCreateInstance(tokenValues, false);
    }

    public Instance getOrCreateInstance(Properties tokenValues) {
        return getOrCreateInstance(tokenValues, true);
    }

    private Instance getOrCreateInstance(final Properties tokenValues,
            final boolean createIfAbsent) {
//        if (instance == null && createIfAbsent) {
            instance = new DynamicContent.InstanceAdapter(
                    Util.replaceTokens(template, tokenValues));
//        }
        return instance;
    }

    public String getMimeType() {
        return mimeType;
    }
    
    @Override
    public boolean isMain() {
        return isMain;
    }

    @Override
    public String toString() {
        return (instance == null ? "null" : instance.getText());
    }



}
